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Finding the Fourth Proportional to 567,665.67, 783,338.58 and 313,011.39

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Solution

The fourth proportional to 567,665.67, 783,338.58 and 313,011.39 is: 431,933.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,665.67 : 783,338.58 = 313,011.39 : x
  2. Step 2: Convert to fraction form
    567,665.67/783,338.58 = 313,011.39/x
  3. Step 3: Cross multiply
    567,665.67x = 783,338.58 × 313,011.39
  4. Step 4: Simplify right side
    567,665.67x = 245,193,897,766.43
  5. Step 5: Solve for x
    x = 245,193,897,766.43/567,665.67
  6. Step 6: Final answer
    x = 431,933.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.